Boeing will plead guilty to a criminal fraud charge tied to fatal 737 Max crashes, the Justice Department said Sunday, months after U.S. prosecutors said the aerospace giant violated a 2021 settlement that shielded it from prosecution.

Under the deal, Boeing agreed to pay a $243.6 million fine. An independent compliance monitor would also be installed to oversee compliance at Boeing for three years during a probationary period. Boeing would also have to invest at least $455 million in…